Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thang tong » thang trong, thang long, thanh cong
lang trong » dung trong, cong trong, dong trong
trong manh » trong minh, trong anh, trong mach
thien anh » thien danh, tien anh, thien thanh
tong gian » tong giao, tong giam, trong giang
gian lang » gian dan
manh toan » thanh toan, anh tuan, tinh toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) or (thien anh)) - thang tong gian lang trong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (thien anh)) - thang tong gian lang trong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) or (thien anh)) - thang tong gian lang trong manh toan cau*.